Plz help(30 points) The densely packed cells of the not only cover the surface of the body, but also line internal organs and cavities.

epithelial tissues
epithelial tissues

sebaceous glands
sebaceous glands

arrector pili
arrector pili

collagen

Jessica is a friend dislodge a piece of meat from her throat. she delivers five blows on her friend’s back with her fist and then gives him five abdominal thrusts. is jessica doing the procedure correctly? 1 no, she should use the heel of her hand for the blows. 2 no, she should use the side of her hand for the blows. 3 no, she should use her elbows to deliver the blows. 4 no, she should use a tennis ball to deliver the blows.